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An OSGi bundle for Saxon-HE
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2013 Saxonica Limited.
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
package net.sf.saxon.option.xom;
import net.sf.saxon.event.PipelineConfiguration;
import net.sf.saxon.om.NamespaceBinding;
import net.sf.saxon.om.NodeInfo;
import net.sf.saxon.om.NodeName;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.tree.util.FastStringBuffer;
import net.sf.saxon.type.SchemaType;
import net.sf.saxon.type.SimpleType;
import nu.xom.*;
import java.util.Stack;
/**
* XOMWriter is a Receiver that constructs a XOM document from the stream of events
*/
public class XOMWriter extends net.sf.saxon.event.Builder {
//private PipelineConfiguration pipe;
//private NamePool namePool;
private Document document;
private Stack ancestors = new Stack();
private NodeFactory nodeFactory;
// private String systemId;
private boolean implicitDocumentNode = false;
private FastStringBuffer textBuffer = new FastStringBuffer(FastStringBuffer.SMALL);
/**
* Create a XOMWriter using the default node factory
* @param pipe the pipeline configuration
*/
public XOMWriter(/*@NotNull*/ PipelineConfiguration pipe) {
super(pipe);
this.nodeFactory = new NodeFactory();
}
/**
* Create a XOMWriter
* @param pipe the pipeline configuration
* @param factory the XOM NodeFactory to be used
*/
public XOMWriter(/*@NotNull*/ PipelineConfiguration pipe, /*@NotNull*/ NodeFactory factory) {
super(pipe);
this.nodeFactory = factory;
}
/**
* Notify an unparsed entity URI.
*
* @param name The name of the unparsed entity
* @param systemID The system identifier of the unparsed entity
* @param publicID The public identifier of the unparsed entity
*/
public void setUnparsedEntity(String name, String systemID, String publicID) throws XPathException {
// no-op
}
/**
* Start of the document.
*/
public void open () {}
/**
* End of the document.
*/
public void close () {}
/**
* Start of a document node.
*/
public void startDocument(int properties) throws XPathException {
document = nodeFactory.startMakingDocument();
try {
document.setBaseURI(systemId);
} catch (MalformedURIException e) {
// XOM objects if the URI is invalid
throw new XPathException(e);
}
ancestors.push(document);
textBuffer.setLength(0);
}
/**
* Notify the end of a document node
*/
public void endDocument() throws XPathException {
nodeFactory.finishMakingDocument(document);
ancestors.pop();
}
/**
* Start of an element.
*/
public void startElement (NodeName nameCode, SchemaType typeCode, int locationId, int properties) throws XPathException {
flush();
String qname = nameCode.getDisplayName();
String uri = nameCode.getURI();
Element element;
if (ancestors.isEmpty()) {
startDocument(0);
implicitDocumentNode = true;
}
if (ancestors.size() == 1) {
element = nodeFactory.makeRootElement(qname, uri);
document.setRootElement(element);
} else {
element = nodeFactory.startMakingElement(qname, uri);
}
if (element == null) {
throw new XPathException("XOM node factory returned null");
}
ancestors.push(element);
}
public void namespace (NamespaceBinding namespaceBinding, int properties) throws XPathException {
String prefix = namespaceBinding.getPrefix();
String uri = namespaceBinding.getURI();
try {
((Element)ancestors.peek()).addNamespaceDeclaration(prefix, uri);
} catch (MalformedURIException e) {
throw new XPathException("XOM requires namespace names to be legal URIs: " + uri);
}
}
public void attribute (NodeName nameCode, SimpleType typeCode, CharSequence value, int locationId, int properties)
throws XPathException {
String qname = nameCode.getDisplayName();
String uri = nameCode.getURI();
Nodes nodes = nodeFactory.makeAttribute(qname, uri, value.toString(), Attribute.Type.CDATA);
for (int n=0; n